expert Set 23 Logic Puzzle

Expert Sequence Pattern #23

Title
Expert Sequence Pattern #23
SequenceType
seq-numbers
DisplaySequence
  • 15
  • 9
  • _
  • -3
  • -9
  • _
  • _
  • _
  • -33
  • -39
FullSequence
  • 15
  • 9
  • 3
  • -3
  • -9
  • -15
  • -21
  • -27
  • -33
  • -39
BlankPositions
  • 2
  • 5
  • 6
  • 7
Answers
  • 3
  • -15
  • -21
  • -27
Rule
Subtract 6 each time (start at 15)
Question
Find the 4 missing terms in the sequence: 15, 9, _, -3, -9, _, _, _, -33, -39
SequenceLength
10
Hint
Look at the difference between each consecutive pair.